Dr Mike's Math Games for Kids | Dr Mike's Math Games for Kids



Calculator Words                                            Name__________________________  Period _____________ 

Today we are doing a calculator activity. You need a calculator for this.

You may have played with a calculator making words by turning it upside-down. Complete the activity below by writing what letter each number is when turned upside-down and then write a word that starts with that letter. 

    LETTER      Example of Word that begins with that letter

1_______          ____________

2_______          ____________

3_______          ____________

4_______          ____________

5_______          ____________

6_______          ____________

7_______          ____________

8_______          ____________

9_______          ____________

0_______          ____________

Now wait before going further. We will go over this part. 

Do you want your calculator to be friendlier? Try this calculation. Hit = at the end of each step.

• enter 6.2

• multiply this by itself

• add 0.23

• divide by 50

• turn the calculator upside down, and you have a friendly greeting!

• Write it here:_____________.

Now wait until I tell you to before flipping and continuing. 

How about a nice breakfast? Try this:

• multiply 17 by 2

• multiply by 1000

• divide by 6

• throw away the part to the right of the decimal

• subtract 3      Answer ___________________

 

Mmm! Delicious! But be sure to throw the ( 68 x 68 - 7 ) x 5 x 5 x 5 + 220 in the trash!

Answer  ___________________ 

Now some questions for animal lovers :

• Does the ( 19 + 19 - 1 ) x 19 + 2 x 3 x 5 have

(47 x 47 + 10 x 10 ) x 5 x 5 - 3 x 3 or

(47 x 10 + 47 x 10 + 47 x 10 + 47 x 10 - 1) x 3 or lay

7 x (800 + 9)?

Translate Question:____________________________________________________________

Answer Question:__________________

• Is there one in your neighborhood 1 / 50 ?  

translate__________  answer_______

 

• What about the 2 x 13 x 13 ? Or the 3 x 3 x 3 x 3 x 101 - 3000? translate__________________________________________________________

 

 

• The (50 x 50 x 3 + 1) x 6 - (50 x 50 x 4)? (Of course, the plural of this is (8 - 1) x 8 x ( 8 x ( 8 x (8 + 1 + 1) - 1 ) - 1 ), isn't it?

translate___________________________________________________________ 

 

 

Here’s one last puzzle to decode : a whole sentence, one word per formula...

• "1   5x67    17x17+13    1+7x7+1    3x(2x2x2x2x2x2x2x2+1)", (3x4x7x13+3/10)x100/2      (4x6x4x6-7)x(5x5x5x5-8), "3/6 (3x17/2+1/5)x3   3/5     4.7x3/20"

translate _____________________________________________________________.

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